As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SWITCH) -ON DEPARTURE AFTER GEAR SELECTED UP, CREW RECEIVED A (NOSE DOOR OPEN) MESSAGE AND A GEAR DISAGREE WARNING. CHECKLIST WAS FOLLOWED AND A UNEVENTFUL LANDING WAS MADE. FOUND NOSE LANDING GEAR STRUT CENTERING PROXIMITY SWITCH OUT OF ADJUSTMENT.